ARIZONA SKY HOME PAGE
Solar System
·
Clusters
·
Nebulae
·
Galaxies
·
Study of Orion
·
The Instruments
·
Star Ranch
·
Observatories
Object
Type
RA
Dec
Mag
Con
Size
Distance
Age
Targeting
M71
NGC6838
Glob
19:53.8
+18 47
8.3
Sge
30 LY
13 KLY
Large, very rich cluster
Imaged from
Date
Focal Length
F/
Exp Time
R
G
B
Tucson, AZ
10/23/99
1.95
2 Min (6@20 sec)
